Glycated Hemoglobin

Nursing Central is the award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:

General

Common Use:To monitor treatment in individuals with diabetes by evaluating their long-term glycemic control.

Specimen:Whole blood collected in a lavender-top (EDTA) tube.

Normal Findings:(Method: Chromatography)

A1c

Nondiabetic

4%–5.5%

Prediabetes

5.7%–6.4%

Diabetes

6.5% or less

Values vary widely by method. The treatment goal assumes the use of a standardized test as referenced to the National Glycohemoglobin Standardization Program—Diabetes Control and Complications Trial and the absence of clinical conditions such as hemoglobinopathies, anemias, and kidney and liver diseases known to affect the accuracy of the test results.American Diabetes Association.